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Poster: librivoxbooks Date: Feb 6, 2013 4:22pm
Forum: audio_bookspoetry Subject: Re: Reduction in volume in derived files

Oh, sorry. I misunderstood. For OGG: MP3 WMA OGG Converter 9.0.1 which uses Lavf52.93.0 encoder, I think. For 64kbps MP3 I used

Both these came out with 89 dB from the original 89.5 dB 128 kbps. Other testers, I imagine, used different methods with similar results - just 0.3 - 0.5 dB reduction in volume. I can probably find out what they used, if it will help?

ETA If it means anything, I also resampled at 22 KHz and exported at 64 kbps in Audacity (the 128 is sampled at 44 KHz), and there was no volume difference.


This post was modified by librivoxbooks on 2013-02-07 00:22:01